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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5276) Upon a lost tracker, the task's start time is reset to 0
Date Mon, 23 Feb 2009 11:29:01 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12675855#action_12675855

Devaraj Das commented on HADOOP-5276:

This patch doesn't apply anymore. Please submit a new patch.

> Upon a lost tracker, the task's start time is reset to 0
> --------------------------------------------------------
>                 Key: HADOOP-5276
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5276
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>            Reporter: Amar Kamat
>            Priority: Critical
>         Attachments: HADOOP-5276-v1.1.patch, HADOOP-5276-v1.2.patch
> Upon lost tracker, the JIP (via JobTracker.lostTracker() -> JobInProgress.failedTask())
hand crafts task status (marking the attempt as KILLED) and updates the JobInProgress (via
JobInProgress.updateTaskStatus()). This status contains the attempt start time as 0. One major
impact would be that the listener will overwrite the last start time value with the new one
and hence the start tiem will get garbled.

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